Metal frame for glass panes.



A. BUSSE.

METAL FRAME FOR GLASS PANES.

APPLICATION TILED AUG. 10, 1010.

Patented Aug. 22, 1911.

WITNESSES.

ATTORNEYS TED sTA rEs fa rnnir onion.

AMAND BUSSE, OF NEW YORK, N. Y.

METAL FRAME FOR GLASS PANES.

Specification of Letters Patent. P t ted Aug, 22, 1911.

I Application filed August 10, 1910. Serial No. 576,502.

lbull olm'mit1ml'y concern: tion, I provide the web of one of the bars lie it known that l, Ammo Bt'ssn, a (shown to be the mullion bar'lO) with a citizen of the United States, and a resident transverse slot 12, extending to the bar head of the city of New York, borough of Manand of a length approximately equal to the hattan, in the county and State of New width of the web of the bar- 11. At each York, have invented a new and Improved side of the slot 12, the web of the bar 10 is Metal Frame for Glass Panes, of which the slit from the head of 'the bar a' distance following is a full, clear, and exact descripslightly greater than the width of the head tio ,1 of the bar 11, as indicated at 13, the con The invention is animproved metal frame struction of the bar 10 being then as shown for glass panes of the character disclosed in in Fig. 2. The head of the bar 10 after Letters Patent Number 9423M, granted to be ng slit from the web is pressed out to me December 7, 1909, wherein the frame term a slot otsullicient extent to receive the comprises intersecting mullion and transom head of the bar 11, as shown in Fig. 3. bars, each bar having a head and a web, and The head of the bar 11 at the point where one of the bars at the point of intersection the bar is to intersect the bar 10, is transhaving a slot in the web thereof through vcrsely cut out. or otherwise,removed, formwhich the other bar is adapted to he slid 1 ing the recess l-t, this recess being approxiwhen both of the bars are facing in the same 1 mately ctlual'to the width of the head of the 7 direction; and the other bar having its head 1 bar 10. cut out at the point of intersection to receive in assembling the bars, the bar 11 is the head of the slotted bar and thus locate passed through the bar 10, as shown in Fig. the heads of both bars in the same plane. 2). until the recess 14- is brought into register The object of the present invention is to so with the expanded or pressedbut portion join the bars that no untitled openings or oti the head; the web of the bar ll being prot'uberances will be presented at the points i received in the slot 12, and the head of this of intersection in the finished t'rame, produw bar received in the. slot atl'orded by expanding an interlocked frame structure of rcling or pressing out the head ol. the other atively high strength. bar. With the bars in this position, as illus- Reference is to be had to the accompanytrated in Fig. 2, the pressed-out portion of 'ing drawings forming a part ot this spcciti' the head of the bar 10 is forced to the web cation, in which similar characters of referand into the recess [4, securely locking the encc indicate corresponding parts in all the two intersecting bars together. \Vith the views, bars thus joined, no openings or recesses Figure 1 is a perspective vicw,o'f a porwhich are made in one bar to receive the tion of a metal frame constructed in accordother are left unfilled, nor is the head of one, ance with my invention; Fig. 2 is a plan of bar let't protubcrant for the reception of one. of the bars; Fig. 3 is a fragmentary sccthe head of the other bar, butv the heads of tional view of the frame, showing the bars the bars are presented in the same plane, relatively disposed preparatory to pressing whereby the glass panes will lie flat against in the head'of one of the bars and locking the inner faces of the flanges or heads of the them together at the joint; Fig. 4 is a perbars, and the t'rame st ructurc will present a spective view of the bar shown in Fig. 2; smooth, unbroken appearance. I and Fig. 5 is a similar view of the other Having thus described my invention, I intersecting bar. claim as new and desire to secure by Letters The frame-embodies in its construction a Patent: number of mullion bars 10 and a number of 1. The combination of a mullion bar and a transom bars 11, the bars intersecting and transom bar intersecting each other, each each continuous in length. Each bar is of bar having ahead and awcb, with one of the metal, ordinarily of rolled steel, and, as bars having its head removed at the oint; shown, is T-shape in cross-section, the parof intersection to receive the head 0" the ticular form, however, being immaterial so other bar, and the said other bar having a long as the bar is provided with a head and slot in the web thereof through which the a web. 'web of the first bar passes, and having the In joining the bars together at the point head thereof slit from the web at the slot of intersection in accordance with my invenand pressed into the recess formed by the removed portion of the head of the said first bar.

slitted on opposite sides of the recess ad-.

jacent said head, and an intersecting .T-

shape'd bar,-the web of which asses through 10 said recess and the head of which is recessed,

whereby the heads bf the two members are adapted to lie in the same plane.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

c AMAND BUSSE.

Witnesses WV, W. HOLT, J OHN P. DAVIS. 

